ATL: BRET - Remnants - Discussion

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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#241 Postby Alyono » Sun Jun 18, 2017 4:42 pm

TheStormExpert wrote:
RL3AO wrote:
Hammy wrote:So if this doesn't become a tropical cyclone, would the next system be TD3? And does anybody know if we'll have post-storm reports on them?

Yes, the next system would be TD3 no matter what. I'm not sure if there will be reports on PTCs that don't develop.

Why would it be TD3? This isn't an official TD.


PTCs and TDs use the same numbering list
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#242 Postby Hurricane Andrew » Sun Jun 18, 2017 4:45 pm

What on earth is a potential tropical cyclone?
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#243 Postby RL3AO » Sun Jun 18, 2017 4:47 pm

Hurricane Andrew wrote:What on earth is a potential tropical cyclone?

The National Hurricane Center now has the option to issue advisories
on disturbances that are not yet tropical cyclones, but which pose
the threat of bringing tropical storm or hurricane conditions to
land areas within 48 hours. Under previous policy this was not
possible. These systems are known as Potential Tropical Cyclones in
advisory products and are numbered from the same list as
depressions. Because of the threat to the Windward Islands,
advisories have been initiated on Potential Tropical Cyclone Two and
the appropriate warnings have been issued by the respective
governments in the Windward Islands. Advisory packages will continue
until the threat of tropical-storm-force winds for land areas
sufficiently diminishes, although if the system becomes a tropical
cyclone, the normal rules for discontinuing advisories would apply.
Users should be aware that forecast uncertainty for disturbances is
generally larger than for tropical cyclones, especially beyond 48-72
hours.
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#244 Postby christchurchguy » Sun Jun 18, 2017 4:47 pm

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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#245 Postby Kazmit » Sun Jun 18, 2017 4:50 pm

Hurricane Andrew wrote:What on earth is a potential tropical cyclone?


It's a new concept for this season created by the NHC. It's basically used for a system that is likely to become a TC but isn't one yet. It's useful to be able to put warnings and watches up for land areas that are in its path.
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#246 Postby cycloneye » Sun Jun 18, 2017 4:53 pm

The recon mission for Monday afternoon could be very interesting.
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#247 Postby Aric Dunn » Sun Jun 18, 2017 4:56 pm

cycloneye wrote:The recon mission for Monday afternoon could be very interesting.


Its quite likely given this convective burst/pattern it will get the upgrade to TD Sooner rather than later. then TS after recon..
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#248 Postby Hurricane Andrew » Sun Jun 18, 2017 5:02 pm

Hmm...not sure how I feel about that, but I am willing to give it a chance. At any rate, increased lead time for the Antilles and co. is certainly a good thing.
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#249 Postby cycloneye » Sun Jun 18, 2017 5:05 pm

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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#250 Postby TropicalAnalystwx13 » Sun Jun 18, 2017 5:17 pm

Two's small size makes it susceptible to rapid intensification if deep convection continues firing over the circulation like it is currently. I think most of us remember Danny 15, a storm that wasn't supposed to develop, then wasn't forecast to peak above 45kt, but ultimately became a small 110kt storm. Models indicate Two may be near hurricane intensity as it's approaching the islands.
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#251 Postby TheStormExpert » Sun Jun 18, 2017 5:27 pm

TropicalAnalystwx13 wrote:Two's small size makes it susceptible to rapid intensification if deep convection continues firing over the circulation like it is currently. I think most of us remember Danny 15, a storm that wasn't supposed to develop, then wasn't forecast to peak above 45kt, but ultimately became a small 110kt storm. Models indicate Two may be near hurricane intensity as it's approaching the islands.

Yep Danny(2015) is what came to mind when I heard rapid intensification is possible. Wouldn't rule out a hurricane with 92L on approach to the islands.
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#252 Postby Aric Dunn » Sun Jun 18, 2017 6:14 pm

Pretty clear signs now we have convection wrapping around to west and SW side developing band on the on the SE side.. I see the upgrade to TD/TS by morning if the convection maintains overnight
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#253 Postby johngaltfla » Sun Jun 18, 2017 6:31 pm

hurricanes1234 wrote:
tatertawt24 wrote:If it organizes in time, would that technically be considered a landfall/direct hit for Trinidad? Pretty cool!


More like scary! :eek: :eek:

We down here are so unaccustomed to storm systems that it's difficult to ascertain what exactly could happen. Unfortunately, many areas flood easily with just regular inclement weather, let alone a named system. I'll be watching this closer than ever now.
:eek:


Good luck! None of the southern islands are prepared for anything more than a minor Tropical Storm so any slow movers with lots of wind and rain are major league trouble. I hope there is not much damage down there and everyone is okay!
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#254 Postby tolakram » Sun Jun 18, 2017 6:35 pm

This has improved quickly. Saved IR loop

Image
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#255 Postby Aric Dunn » Sun Jun 18, 2017 6:38 pm

yeah just a little lol... got to love those small systems.. first hurricane this far east in june maybe ? :uarrow: :uarrow:
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#256 Postby RL3AO » Sun Jun 18, 2017 6:49 pm

It's probably getting close to being able to drop the "potential" part.
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#257 Postby Hammy » Sun Jun 18, 2017 6:53 pm

Cloud flow indicates there's still no signs of closing off--could be moving too fast at the moment.
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#258 Postby Hypercane_Kyle » Sun Jun 18, 2017 6:53 pm

Odds of TC genesis now 90/90
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#259 Postby Hypercane_Kyle » Sun Jun 18, 2017 6:58 pm

Hammy wrote:Cloud flow indicates there's still no signs of closing off--could be moving too fast at the moment.


It's hard to tell now that the sun has set over the system... hopefully we can get a fresh ASCAT pass soon. If it's not closed, it's darn close to closing off.

This is incredible to witness in the month of June regardless. If it weren't for the crushingly powerful shear in the Caribbean I'd be very worried about this system entering the Caribbean.
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Re: ATL: TWO - Potential Tropical Cyclone - Discussion

#260 Postby Dougiefresh » Sun Jun 18, 2017 7:00 pm

johngaltfla wrote:
hurricanes1234 wrote:
tatertawt24 wrote:If it organizes in time, would that technically be considered a landfall/direct hit for Trinidad? Pretty cool!


More like scary! :eek: :eek:

We down here are so unaccustomed to storm systems that it's difficult to ascertain what exactly could happen. Unfortunately, many areas flood easily with just regular inclement weather, let alone a named system. I'll be watching this closer than ever now.
:eek:


Good luck! None of the southern islands are prepared for anything more than a minor Tropical Storm so any slow movers with lots of wind and rain are major league trouble. I hope there is not much damage down there and everyone is okay!


And you know this how? Yes we still have a few houses that are built from wood but the majority of houses built in Barbados are block with rebar and well designed roofs. Our road drainage system is not the best but last year in November we had 5 inches in 3 hours or so and yes it caused major flooding but everything drained off in maybe two hours after the rains finished. Unless you have been to all of our Islands, I would not make such statements. Trinidad is a different case due to the mountain range that runs across the north of the Island and maybe some of the other mountainous Islands.
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